remove jdbc and vertica subprojects from build file
remove jdbc and vertica subprojects from build file

tdyas/scalding,sriramkrishnan/scalding,avp1984/scalding,AaroC357/scalding,jzmq/scalding,sid-kap/scalding,sunilrebel/scalding,sriramkrishnan/scalding,bmyerz/scalding,benpence/scalding,chrismoulton/scalding,avp1984/scalding,f7753/scalding,sunilrebel/scalding,tdyas/scalding,tglstory/scalding,chrismoulton/scalding,jzmq/scalding,bmyerz/scalding,tresata/scalding,cauchycui/scalding,chrismoulton/scalding,benpence/scalding,soundcloud/scalding,benpence/scalding,rubanm/scalding,sunilrebel/scalding,cchepelov/scalding,avp1984/scalding,jzmq/scalding,cauchycui/scalding,twitter/scalding,rubanm/scalding,bmyerz/scalding,AaroC357/scalding,sid-kap/scalding,piyushnarang/scalding,tresata/scalding,tglstory/scalding,twitter/scalding,soundcloud/scalding,AaroC357/scalding,tglstory/scalding,nkhuyu/scalding,Chasego/scalding,cchepelov/scalding,nkhuyu/scalding,twitter/scalding,tresata/scalding,sriramkrishnan/scalding,Chasego/scalding,Chasego/scalding,cauchycui/scalding,nkhuyu/scalding,soundcloud/scalding,f7753/scalding,sid-kap/scalding,piyushnarang/scalding,f7753/scalding,piyushnarang/scalding,cchepelov/scalding,rubanm/scalding,tdyas/scalding